CVE-2026-45247

9.8 CRITICAL CISA KEV - Actively Exploited
Published: May 26, 2026 Modified: June 03, 2026
View on NVD

Description

Mirasvit Full Page Cache Warmer for Magento 2 before version 1.11.12 contains a PHP object injection vulnerability that allows unauthenticated attackers to achieve remote code execution by supplying a crafted serialized PHP object in the CacheWarmer cookie. Attackers can exploit the unrestricted call to PHP's native unserialize() function combined with gadget chains available in Magento and its dependencies to execute arbitrary code on the server.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://mirasvit.com/package/changelog/?package=mirasvit/module-cache-warmer
Source: disclosure@vulncheck.com
Release Notes
https://sansec.io/research/mirasvit-cache-warmer-object-injection
Source: disclosure@vulncheck.com
Third Party Advisory
https://www.vulncheck.com/advisories/mirasvit-cache-warmer-for-magento-php-object-injection
Source: disclosure@vulncheck.com
Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-45247
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource
https://www.imperva.com/blog/imperva-customers-protected-against-cve-2026-45247-in-mirasvit-full-page-cache-warmer-for-magento/
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Third Party Advisory

5 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
6.1%
91th percentile
Exploitation Status
Actively Exploited
Remediation due: 2026-06-06

Weaknesses (CWE)

CWE-502

Affected Vendors

mirasvit

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